JP2000215163A - Client display system for processing progress state of server - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily attain a function to display the processing state of a server on a client even in a processing form where the processing is partly requested to the server from a client via an RPC, etc., with which the processing state is usually visualized by an operator through the display of an animation, etc., during the execution of the processing that requires much time to the application of a personal computer. SOLUTION: The work program of a server 711 notifies (713) another processing state notifying program contained in a server of the processing state based on the work processing contents. This notifying load is reduced since the notification is carried out in the same processor. A processing state notifying program is used in common by plural jobs. The processing state notifying program 703 of a client 701 receives the processing state of the work program of the server 711 from a server processing state notifying program 714 and displays the received processing state on a screen.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a processing status display method for a client in a network distributed processing system including a client and a server.

[0002]

2. Description of the Related Art FIG. 1 shows an example of a conventional message sequence in an online system using a dedicated terminal and a host computer. The terminal 101 transmits the inquiry message 103 to the host computer 102, and receives the screen update message 105 while receiving the response message 104. It was possible to display the processing progress of the host on the terminal with such a unique specification.

[0003]

In a personal computer application, during execution of a time-consuming process, it is common for an operator to visually recognize the process status by displaying an animation or the like. It is not easy to display the processing status of the server to the client in the processing mode requested by the client.

In recent years, distributed computing technology has been developed, and international standardization of an interface between a client and a server is progressing. DCE / RPC (International Standards Organization O
SF), DCOM (Microsoft), CORBA
(International Standards Organization OMG) is an example.

FIG. 2 shows an example of RPC (remote procedure call). An AP (application program) 202 of the client 201 calls an internal procedure 203 in the same manner as the procedure 20 of the server 204.
Calling 5. The network between the client and the server is hidden, and the internal procedure 203 and the external procedure 205 are equivalent from the viewpoint of the AP (application program) 202.

[0006] In the RPC interface, it is difficult to return a response to the caller during the processing, and to respond to the response at the caller.

An object of the present invention is to easily realize a function of displaying the processing status of a server to a client when the processing time of the server is long in a processing mode in which the client requests the server to perform processing.

[0008]

FIG. 7 shows an outline of the present invention.

In order to achieve the above object, separate programs 703 and 714 for processing status notification are activated in the client 701 and the server 711.

[0010] The status display processing is not necessary for the client business program 702, and only the processing status display program 703 that can be used in common can be activated. If the status display is not required, it does not need to be activated.

The business program 712 of the server notifies the processing status to another program 714 for notifying the processing status in the server according to the content of the business processing. Since the notification is performed within the same processor, the load for the notification is small. The processing status notification programs 703 and 714 are commonly used in a plurality of tasks.

The client processing status notification program 703 receives the server business program processing status from the server processing status notification program 714 and displays it on the screen.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is applied to a network distributed processing system in which a plurality of processing devices (clients and servers) are connected via a network as shown in FIG.

In the example of FIG. 3, the branch office information database 305 is held in the branch office server 303 and the center server 306 is stored.
Has an all store information database 308. The business process of the sales office server 303 calls the business process 307 of the center server 306 as necessary.

First, the function of the server-side program will be described with reference to FIG.

The business process 401 is a server-side business program operated by a call from the client, and the status notification program 411 is a program for relaying a notification from the business process 401 to the client. In the business process 401, the process progress status is notified to the status notification program in the process steps 403, 405, and 407. The point of notification is set arbitrarily in the business processing program. In the case of a business process with a short processing time, no notification is required, and the status is generally displayed before and after a process with a long processing time or a long waiting time, such as a database search or a processing request to another server.

From the viewpoint of the business processing program 401, the notification processing to the status notification program 411 is a notification in the same processing apparatus, and therefore, compared to the communication to the client,
Program development is easy, the processing load during execution is small, and efficiency is high.

The status notification program 411 receives a notification message as shown in FIG. The notification message is transmitted to the client according to the caller client address information 501. Since the transmission 413 to the client is processed asynchronously with the business process 401, there is almost no effect on the business process.

Next, the function of the client-side program will be described with reference to FIG.

The status notification program 601 is waiting for a status notification from the server (step 602), and displays a status notification message based on the notification from the server (step 603).

The display contents include a server name 503, a server business processing name 504, a display message text 505 from the server business on the notification message as shown in FIG.

If there is no next notification for a predetermined time, the display window is closed (step 604).

[0023]

According to the present invention, even in a processing mode in which a client requests a server to perform processing, the processing progress of the server can be reduced when the processing time of the server is long due to a small resource load during development and execution of the business processing program. It is possible to teach operators.

[Brief description of the drawings]

FIG. 1 is a view showing an example of a message sequence in a conventional system.

FIG. 2 is a view for explaining a remote procedure call.

FIG. 3 is a diagram showing an example of a network distribution system.

FIG. 4 is a diagram showing the relationship between a server business program and a status notification program.

FIG. 5 is a diagram showing an example of the contents of a processing state notification message.

FIG. 6 is a diagram showing the structure of a client status notification program.

FIG. 7 is a diagram showing an outline of a processing method.

[Explanation of symbols]

101: Terminal side, 102: Host side, 103: Inquiry message, 104: Response message, 105: Screen update message in the middle, 201: Client processing device, 202: AP (business program) running on the client, 203: AP Internal procedures (part of business processing), 204: server processing device, 205: server procedure (part of business processing) called from the client, 301: client processing device, 302: operated by client Business processing, 303: Processing device of branch office server, 304: Business processing running on branch office server, 305: Database holding branch information, 30
6: processing device of the center server; 307: business process operating on the center server; 308: database holding all store information; 401: server business process; 402, 404.4
06, 408: processing step of server business processing, 403
405, 407: processing steps for notifying the progress of processing in server business processing, 411: server status notification program, 412: processing blocks for receiving and queuing notification requests from server business processing, 413: client sending notification requests Processing block for notifying 501, caller client address information, 502, caller business process ID, 503, server identification information, 504, server business process ID, 505, notification information from server business process (display message 601: client status notification program, 602: status notification reception waiting processing block, 603: status notification message display processing block,
604... Display window close processing block 701
.., A client processing device, 702, a business process operating on the client, 703, a client status notification program, 711, a server processing device, 712, a server business process called from the client, 713, 71
5 ... Notification information from business processing of server, 714 ... Client status notification program.

Claims (1)

[Claims] In a processing mode in which a client requests a part of processing from a server, another program for displaying a processing state is activated in the client and the server, and the processing status information of the server is received by another program on the client side. A client display method for displaying the progress of server processing, which is displayed on the screen.